i don't think romney really has a plan. we talked to him this morning. george is leaning toward governor romney. he was impressed with what he saw last night. but he's still undecided. >> oh, boy. harry smith with the wild and woolly chase for the undecideds out there. thank you very -- looks like you had a good time at their house. >> i'll be happy to go back again. >> i think we should revisit after the election. thanks, harry. we have a lot more coming up this hour including the very simple question, what's the deal with gluten all of a sudden? gluten free everything is everywhere. and tonight we'll look at why now. >>> but next, he's worth billions. wears the same t-shirt every day and has his hands full in the big boy role of ceo. tonight, matt lauer talks to mark zuckerberg. >> do you think that the employees are comfortable to walk right up to you and say, excuse me, what do they call you? mark? >> mark. >> are they comfortable to call you up and ask you questions? >> no one calls me mr. zuckerberg. ask you questions? >> no one calls me mr. zucker